{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["DNA", "protein", "cell type", "cell line", "RNA"], "input": "Chloramphenicol acetyl transferase ( CAT ) assays using the HIV-1 (-139)long terminal repeat-CAT construct showed no PMA induction of CAT activity in these subclones (unlike the parental line and other subclones)."}
{"DNA": ["HIV-1 (-139)long terminal repeat-CAT construct"], "protein": ["Chloramphenicol acetyl transferase", "CAT"], "cell type": [], "cell line": [], "RNA": []}